The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

File formats dissections and more...

the official Rust and C implementations of the BLAKE3 cryptographic hash function

Virtual Apollo Guidance Computer (AGC) software

bootOS is a monolithic operating system in 512 bytes of x86 machine code.

Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

Here I share the code of my CV, which is also a bootable bootloader :)

VMware mouse driver for Windows 3.1

Extremely simple Linux application that hangs until a signal is received.

usbasp improved firmware

Script to install mspgcc (open-source compiler for msp430) in ubuntu

Naehrig, Niederhagen and Schwabe's pairings code, massaged into a shared library.